膜集成技术浓缩稀土废水中的氯化铵  

CONCENTRATION OF AMMONIA CHLORIDE BY MEMBRANE INTEGRATING TECHNOLOGY

作　　者：胡亚芹[1] 吴春金[1] 叶向群[2] 吴礼光[1] 薛德明[1] 

机构地区：[1]国家海洋局杭州水处理技术研究开发中心,浙江杭州310012 [2]浙江大学材料与化工学院,浙江杭州310027

出　　处：《水处理技术》2005年第8期38-39,共2页Technology of Water Treatment

基　　金：国家"十五"科技攻关计划项目(2002BA313B09)

摘　　要：经预处理的稀土氯化铵废水通过反渗透浓缩,氯化铵浓度从1.5%(w/w)提高到5-6%(w/w),膜对氯化铵的脱除率为90%左右.水的回用率达60%左右。通过电渗析进一步浓缩,氯化铵浓度可达10-12%(w/w)。Through concentration of rare-earth wastewater with ammonia chloride by RO process, the concentration of ammonia chloride could be raised to 5%～6%（w/w） from 1.5%（w/w）; the removal rate of ammonia chloride reached to about 90%; water recovery rate,about 60%. Through further concentration by ED, the concentration of ammonia chloride could reach to 10%～12%（w/w）.

关 键 词：稀土废水 氯化铵 反渗透 电渗析 

分 类 号：TQ028.8[化学工程]